Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual é o número da música chamada 實情?
 ###Tabelas: CREATE TABLE group_b_relegation (group_b_relegation_id AUTO_INCREMENT PRIMARY KEY, Position INT, Club VARCHAR, Played INT, Points VARCHAR, Wins INT, Draws INT, Losses INT, Goals for INT, Goals against INT, Goal Difference INT) CREATE TABLE current_and_former_player_information (current_and_former_player_information_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Total W-L VARCHAR, Singles W-L VARCHAR, Doubles W-L VARCHAR, No. of ties INT, First year played INT, No. of years played INT) CREATE TABLE mass_storage (mass_storage_id AUTO_INCREMENT PRIMARY KEY, Device INT, Device type VARCHAR, Capacity [MB] VARCHAR, Avg seek time [ms] VARCHAR, Avg rotational delay [ms] INT, Avg transfer rate [kB/s] INT) CREATE TABLE council_composition (council_composition_id AUTO_INCREMENT PRIMARY KEY, Party VARCHAR, Previous council INT, Staying councillors INT, Seats up for election INT, Election result INT, New council INT) CREATE TABLE songs (songs_id AUTO_INCREMENT PRIMARY KEY, Number INT, Name of the song VARCHAR, Singer VARCHAR, Drama VARCHAR, Kind of the song VARCHAR)  
SELECT Number FROM songs WHERE Name of the song = 實情